Bug 1464132
Summary: | Booting/shutting down VM with vhost-user and IOMMU when backend does not support IOMMU will cause qemu error | ||
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Product: | Red Hat Enterprise Linux 7 | Reporter: | Pei Zhang <pezhang> |
Component: | qemu-kvm-rhev | Assignee: | Maxime Coquelin <maxime.coquelin> |
Status: | CLOSED CURRENTRELEASE | QA Contact: | Pei Zhang <pezhang> |
Severity: | medium | Docs Contact: | |
Priority: | medium | ||
Version: | 7.4 | CC: | ailan, chayang, juzhang, maxime.coquelin, michen, pezhang, virt-maint, xiywang |
Target Milestone: | rc | ||
Target Release: | --- | ||
Hardware: | x86_64 | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | If docs needed, set a value | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2018-01-15 09:35:49 UTC | Type: | Bug |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | |||
Bug Blocks: | 1473046 |
Description
Pei Zhang
2017-06-22 13:36:58 UTC
Hi Pei, Could you please retry with dpdk v17.11-rc4 tag? Testpmd's cmdline requires a new Vhost PMD parameter (iommu-support): --vdev 'net_vhost0,iface=/tmp/vhost-user1,iommu-support=1' Thanks, Maxime (In reply to Maxime Coquelin from comment #1) > Hi Pei, > > Could you please retry with dpdk v17.11-rc4 tag? > > Testpmd's cmdline requires a new Vhost PMD parameter (iommu-support): > --vdev 'net_vhost0,iface=/tmp/vhost-user1,iommu-support=1' Hi Maxime, With dpdk-17.11.tar.xz, qemu core dump issue has gone. Thanks. Versions: dpdk-17.11.tar.xz qemu-kvm-rhev-2.10.0-6.el7.x86_64 3.10.0-784.el7.x86_64 testpmd command line: # /root/dpdk-17.11/x86_64-native-linuxapp-gcc/build/app/test-pmd/testpmd \ -l 1,3,5 --socket-mem=1024,1024 -n 4 \ -d /root/dpdk-17.11/x86_64-native-linuxapp-gcc/lib/librte_pmd_vhost.so.2.1 \ --vdev 'net_vhost0,iface=/tmp/vhost-user1,iommu-support=1' -- \ --portmask=3 --disable-hw-vlan -i --rxq=1 --txq=1 \ --nb-cores=2 --forward-mode=io Best Regards, Pei > > Thanks, > Maxime |